ci: 添加GitHub Actions CI/CD流水线

- CI: PR触发自动化测试(lint + type check + bun test)
- CD: push到main/tag触发Docker镜像构建并发布到GHCR
- 修复Dockerfile中bun.lockb→bun.lock引用
- 修复tsconfig.json排除测试文件避免dist中重复
- 修复file-review-store测试排序时间戳竞态

tsconfig.json

@@ -47,6 +47,8 @@
 	],
 	"exclude": [
 		"node_modules",
-		"dist"
+		"dist",
+		"src/**/__tests__/**",
+		"src/**/*.test.ts"
 	]
 }